those allegations, his office says, are manufactured, politically motivated, and false. menendez brushed aside the questions. >> comments should go to my office. these are nameless, faceless, anonymous allegations. >> reporter: a well placed source tells nbc news senate democratic leaders have privately huddled about the potential fallout but so far they're publicly sticking by menendez, and melgen's lawyer said in an e-mail we are confident that dr. melgen has acted appropriately at all times. michael isikoff, nbc news, washington. the san francisco 49ers have been there before and so, too, have the baltimore ravens. football's biggest game. but at this year's contest the real seasoned veteran will be the city of new orleans hosting its tenth super bowl since 1970. and though the big easy has been through a lot since its last turn hosting the game, it apparently hasn't lost its knack for throwing one heck of a party.